package org.arch_learn.servlet_container.pojo;

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.security.Principal;
import java.util.*;
import java.util.stream.Collectors;

public class CustomHttpServletRequest implements HttpServletRequest {
    private String startLine;

    private String header;

    private String body;

    public CustomHttpServletRequest(String startLine, String header, String body) {
        this.startLine = startLine;
        this.header = header;
        this.body = body;
    }

    public String getStartLine() {
        return startLine;
    }

    public void setStartLine(String startLine) {
        this.startLine = startLine;
    }

    public String getHeader() {
        return header;
    }

    public void setHeader(String header) {
        this.header = header;
    }

    public String getBody() {
        return body;
    }

    public void setBody(String body) {
        this.body = body;
    }

    @Override
    public String getAuthType() {
        return null;
    }

    @Override
    public Cookie[] getCookies() {
        return new Cookie[0];
    }

    @Override
    public long getDateHeader(String s) {
        return 0;
    }

    @Override
    public String getHeader(String s) {
        String[] headers = this.header.split("\\r\n");
        List<String> list = Arrays.stream(headers)
                .filter(h -> h.startsWith(s + ":"))
                .collect(Collectors.toList());
        if (list.isEmpty()) return null;
        return list.get(0).split(": ")[1];
    }

    @Override
    public Enumeration<String> getHeaders(String s) {
        return null;
    }

    @Override
    public Enumeration<String> getHeaderNames() {
        return null;
    }

    @Override
    public int getIntHeader(String s) {
        return 0;
    }

    @Override
    public String getMethod() {
        return this.startLine.split(" ")[0];
    }

    @Override
    public String getPathInfo() {
        return null;
    }

    @Override
    public String getPathTranslated() {
        return null;
    }

    @Override
    public String getContextPath() {
        String s1 = header.split(" ")[1];
        String[] arr = s1.split("/");
        String contextPath = null;
        if (arr.length == 0 || arr.length == 2) {
            contextPath = "/";
        } else {
            contextPath = "/" + arr[1];
        }
        return contextPath;
    }

    @Override
    public String getQueryString() {
        return null;
    }

    @Override
    public String getRemoteUser() {
        return null;
    }

    @Override
    public boolean isUserInRole(String s) {
        return false;
    }

    @Override
    public Principal getUserPrincipal() {
        return null;
    }

    @Override
    public String getRequestedSessionId() {
        return null;
    }

    @Override
    public String getRequestURI() {
        return this.startLine.split(" ")[1];
    }

    @Override
    public StringBuffer getRequestURL() {
        return null;
    }

    @Override
    public String getServletPath() {
        String requestUri = this.startLine.split(" ")[1];
        if (requestUri.equals("/")) return "/";
        String servletPath = requestUri.replace(this.getContextPath(), "");
        return servletPath.startsWith("/") ? servletPath : "/" + servletPath;
    }

    @Override
    public HttpSession getSession(boolean b) {
        return null;
    }

    @Override
    public HttpSession getSession() {
        return null;
    }

    @Override
    public String changeSessionId() {
        return null;
    }

    @Override
    public boolean isRequestedSessionIdValid() {
        return false;
    }

    @Override
    public boolean isRequestedSessionIdFromCookie() {
        return false;
    }

    @Override
    public boolean isRequestedSessionIdFromURL() {
        return false;
    }

    @Override
    public boolean isRequestedSessionIdFromUrl() {
        return false;
    }

    @Override
    public boolean authenticate(HttpServletResponse httpServletResponse) throws IOException, ServletException {
        return false;
    }

    @Override
    public void login(String s, String s1) throws ServletException {

    }

    @Override
    public void logout() throws ServletException {

    }

    @Override
    public Collection<Part> getParts() throws IOException, ServletException {
        return null;
    }

    @Override
    public Part getPart(String s) throws IOException, ServletException {
        return null;
    }

    @Override
    public <T extends HttpUpgradeHandler> T upgrade(Class<T> aClass) throws IOException, ServletException {
        return null;
    }

    @Override
    public Object getAttribute(String s) {
        return null;
    }

    @Override
    public Enumeration<String> getAttributeNames() {
        return null;
    }

    @Override
    public String getCharacterEncoding() {
        return null;
    }

    @Override
    public void setCharacterEncoding(String s) throws UnsupportedEncodingException {

    }

    @Override
    public int getContentLength() {
        return 0;
    }

    @Override
    public long getContentLengthLong() {
        return 0;
    }

    @Override
    public String getContentType() {
        return null;
    }

    @Override
    public ServletInputStream getInputStream() throws IOException {
        return null;
    }

    @Override
    public String getParameter(String s) {
        return null;
    }

    @Override
    public Enumeration<String> getParameterNames() {
        return null;
    }

    @Override
    public String[] getParameterValues(String s) {
        return new String[0];
    }

    @Override
    public Map<String, String[]> getParameterMap() {
        return null;
    }

    @Override
    public String getProtocol() {
        return null;
    }

    @Override
    public String getScheme() {
        return null;
    }

    @Override
    public String getServerName() {
        return null;
    }

    @Override
    public int getServerPort() {
        return 0;
    }

    @Override
    public BufferedReader getReader() throws IOException {
        return null;
    }

    @Override
    public String getRemoteAddr() {
        return null;
    }

    @Override
    public String getRemoteHost() {
        return null;
    }

    @Override
    public void setAttribute(String s, Object o) {

    }

    @Override
    public void removeAttribute(String s) {

    }

    @Override
    public Locale getLocale() {
        return null;
    }

    @Override
    public Enumeration<Locale> getLocales() {
        return null;
    }

    @Override
    public boolean isSecure() {
        return false;
    }

    @Override
    public RequestDispatcher getRequestDispatcher(String s) {
        return null;
    }

    @Override
    public String getRealPath(String s) {
        return null;
    }

    @Override
    public int getRemotePort() {
        return 0;
    }

    @Override
    public String getLocalName() {
        return null;
    }

    @Override
    public String getLocalAddr() {
        return null;
    }

    @Override
    public int getLocalPort() {
        return 0;
    }

    @Override
    public ServletContext getServletContext() {
        return null;
    }

    @Override
    public AsyncContext startAsync() throws IllegalStateException {
        return null;
    }

    @Override
    public AsyncContext startAsync(javax.servlet.ServletRequest servletRequest, ServletResponse servletResponse) throws IllegalStateException {
        return null;
    }

    @Override
    public boolean isAsyncStarted() {
        return false;
    }

    @Override
    public boolean isAsyncSupported() {
        return false;
    }

    @Override
    public AsyncContext getAsyncContext() {
        return null;
    }

    @Override
    public DispatcherType getDispatcherType() {
        return null;
    }
}
